Pixel array, display panel and curved display panel

ABSTRACT

A pixel array includes pixel unit sets each including a substrate having first and second pixel regions, a scan line, first and second data lines extending along a second direction, first and second active devices respectively in the first and second pixel regions, and first and second pixel electrodes respectively located in the first and second pixel regions and electrically connected to the first and second active devices, respectively. The scan line includes a main scan line and first and second branch scan lines (connected to the main scan line) extending along a first direction. The first active device is electrically connected to the first branch scan line and the first data line. The second active device is electrically connected to the second branch scan line and the second data line. At least one of the first and second data lines is overlapped with the first and second pixel electrodes.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims the priority benefit of Taiwan applicationserial no. 104125895, filed on Aug. 10, 2015. The entirety of theabove-mentioned patent application is hereby incorporated by referenceherein and made a part of this specification.

FIELD OF DISCLOSURE

The disclosure relates to a pixel array, a display panel, and a curveddisplay panel.

DESCRIPTION OF RELATED ART

With the advancement of science and technology, display technologieshave also been continuously developing. Light, thin, compact, and slimflat panel displays (FPD) have gradually replaced the conventionalcathode ray tube (CRT) displays. At present, the FPD characterized bycompactness and slimness has been further employed on non-planarsurfaces of various buildings or electronic equipment. In order to beadapted to the non-planar surfaces, the display panel is required to becambered or curved to some extent, and thus a curved display panel hasbeen proposed. During a process of manufacturing the curved displaypanel, two planar substrates are assembled and are then bent to form thecurved surfaces. However, after the two substrates are bent, thecomponents on the two substrates may be misaligned, such that thedisplay quality of certain regions on the curved display panel may bedeteriorated.

SUMMARY

The disclosure is directed to a pixel array, a display panel having thepixel array, and a curved display panel in order to resolve an issue ofunfavorable display quality of certain regions on a curved display.

In an embodiment of the disclosure, a pixel array that includes aplurality of pixel unit sets is provided. Each of the pixel unit setsincludes a substrate, a scan line, a first data line, a second dataline, a third data, a first active device, a first pixel electrode, asecond active device, a second pixel electrode, a third active device,and a third pixel electrode. The substrate has a first pixel region, asecond pixel region, and a third pixel region. The scan line includes amain scan line as well as a first branch scan line, a second branch scanline, and a third branch scan line, wherein the first branch scan line,the second branch scan line, and the third branch scan line areconnected to the main scan line and extend along a first direction. Thefirst data line, the second data line, and the third data line extendalong a second direction. The first active device is located in thefirst pixel region and is electrically connected to the first branchscan line and the first data line. The first pixel electrode is locatedin the first pixel region and electrically connected to the first activedevice. The second active device is located in the second pixel regionand is electrically connected to the second branch scan line and thesecond data line. The second pixel electrode is located in the secondpixel region and electrically connected to the second active device. Thethird active device is located in the third pixel region and iselectrically connected to the third branch scan line and the third dataline. The third pixel electrode is located in the third pixel region andis electrically connected to the third active device. Each of the firstpixel electrode, the second pixel electrode, and the third pixelelectrode has a bar-shaped electrode pattern, and the bar-shapedelectrode pattern has at least one bent portion. At least one of thefirst data line and the second data line is overlapped with both of thefirst pixel electrode and the second pixel electrode.

In an embodiment of the disclosure, a display panel that has a centralregion, a first region, and a second region is provided. The firstregion and the second region are located at two sides of the centralregion, and the display panel includes a first substrate, a pixel array,a second substrate, and a color filter layer. The pixel array is locatedon the first substrate and includes a plurality of pixel unit sets, andeach of the pixel unit sets is as set forth above. The second substrateis located opposite to the first substrate. The color filter layer islocated on the first substrate or the second substrate, and the colorfilter layer is arranged corresponding to the pixel array. The lightshielding pattern layer is located on the second substrate and isarranged corresponding to the color filter layer.

In an embodiment of the disclosure, a pixel array that includes aplurality of pixel unit sets is provided. Each of the pixel unit setsincludes a substrate, a scan line, a first data line, a second dataline, a third data, a first active device, a first pixel electrode, asecond active device, a second pixel electrode, a third active device,and a third pixel electrode. The substrate has a first pixel region, asecond pixel region, and a third pixel region. The scan line includes amain scan line as well as a first branch scan line, a second branch scanline, and a third branch scan line, wherein the first branch scan line,the second branch scan line, and the third branch scan line areconnected to the main scan line and extend along a first direction. Thefirst data line, the second data line, and the third data line extendalong a second direction. The first active device is located in thefirst pixel region and is electrically connected to the first branchscan line and the first data line. The first pixel electrode is locatedin the first pixel region and electrically connected to the first activedevice. The second active device is located in the second pixel regionand is electrically connected to the second branch scan line and thesecond data line. The second pixel electrode is located in the secondpixel region and electrically connected to the second active device. Thethird active device is located in the third pixel region and iselectrically connected to the third branch scan line and the third dataline. The third pixel electrode is located in the third pixel region andis electrically connected to the third active device. One of the firstdata line, the second data line, and the third data line is overlappedwith the first pixel electrode, the second pixel electrode, and thethird pixel electrode. The third data line in each of the pixel unitsets and the first data line in a next pixel unit set along the firstdirection are located between the first pixel electrode, the secondpixel electrode and the third pixel electrode in the each of the pixelunit sets and the first pixel electrode, the second pixel electrode andthe third pixel electrode in the next pixel unit set along the firstdirection and are not overlapped with each other.

In view of the above, in each of the pixel unit sets of the pixel arrayprovided herein, the scan line includes a main scan line, a first branchscan line, and a second branch scan line, and the first branch scan lineand the second branch scan line are connected to the main scan line. Atleast one of the first data line and the second data line is overlappedwith both of the first pixel electrode and the second pixel electrode.Said arrangement of the pixel array is conducive to the diverseselection of gate driving chips. In addition, in the curved displaypanel, the issue of unfavorable display quality resulting from themisalignment of the pixel unit sets on the pixel array and the deviceson the other substrate can be resolved to a great extent.

Several exemplary embodiments accompanied with figures are described indetail below to further describe the disclosure in details.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic cross-sectional view illustrating a display panelaccording to an embodiment of the disclosure.

FIG. 2 is a schematic view illustrating a pixel array according to anembodiment of the disclosure.

FIG. 3 is a schematic top view illustrating a pixel array according toan embodiment of the disclosure.

FIG. 4 is a schematic view illustrating a pixel array according toanother embodiment of the disclosure.

FIG. 5 is a schematic top view illustrating a pixel array according toanother embodiment of the disclosure.

FIG. 6 is a schematic view illustrating a display panel according to anembodiment of the disclosure.

FIG. 7 is a schematic view illustrating a light shielding pattern layeraccording to an embodiment of the disclosure.

FIG. 8, FIG. 9, and FIG. 10 are schematic views illustrating a lightshielding pattern layer located in a central region, a first region, anda second region of a display panel according to an embodiment of thedisclosure.

FIG. 11 is a schematic view illustrating a curved display panelaccording to an embodiment of the disclosure.

DETAILED DESCRIPTION OF DISCLOSED EMBODIMENTS

FIG. 1 is a schematic cross-sectional view illustrating a display panelaccording to an embodiment of the disclosure. In the present embodiment,the display panel includes a first substrate 10, a pixel array PX, asecond substrate 20, and a color filter layer CF. With reference to thepresent embodiment, the display panel further includes a light shieldingpattern layer BM and a display medium 300. Here, the first substrate 10and the pixel array PX constitute the pixel array substrate 100, and thesecond substrate 20, the light shielding pattern layer BM, and the colorfilter layer CF constitute a color filter substrate 200. It should bementioned that the color filter layer CF is not limited to be formed onthe second substrate 20; in another embodiment of the disclosure, thecolor filter layer CF may be formed on the first substrate 10, so as toform a color-filter-on-array (COA) structure.

The first substrate 10 may be made of glass, quartz, or an organicpolymer. The pixel array PX is located on the first substrate 10. Thestructure and the design of the pixel array PX will be elaboratedhereinafter.

The second substrate 20 is located opposite to the first substrate 10.The second substrate 20 may be made of glass, quartz, or an organicpolymer. The color filter layer CF is located on the second substrate 20and arranged corresponding to the pixel array PX. The color filter layerCF is composed of, for instance, red, green, and blue filter patterns.The light shielding pattern layer BM is located on the second substrate20 and arranged corresponding to the color filter layer CF. The lightshielding pattern layer BM may also be referred to as a black matrixarranged among the color filter patterns of the color filter layer CF.An electrode layer (not shown) may be further arranged on the secondsubstrate 20 and may serve as an opposite electrode of the pixel arrayPX.

The display medium 300 may include liquid crystal molecules, anelectrophoretic display medium, or any other appropriate medium.According to the following embodiments, the display medium is the liquidcrystal molecules, for instance, which should however not be construedas a limitation in the disclosure.

As provided above, the pixel array PX on the first substrate 10 is shownin FIG. 2 and includes a plurality of pixel unit sets U. In FIG. 2, onlytwo pixel unit sets U are depicted; as a matter of fact, the pixel arrayis composed of a plurality of repetitively arranged pixel unit sets U.Each of the pixel unit sets U includes a scan line SL, a first data lineDL1, a second data line DL2, a first active device T1, a first pixelelectrode PE1, a second active device T2, and a second pixel electrodePE2. In an embodiment of the disclosure, the pixel unit set U furtherincludes a third data line DL3, a third active device T3, and a thirdpixel electrode PE3. Here, each of the pixel unit sets U includes threepixels (including three active devices and three pixel electrodes);however, the number of pixels (active devices and pixel electrodes) inone pixel unit set U is not limited in the disclosure.

Specifically, the substrate 10 (as shown in FIG. 1) has a first pixelregion R1 and a second pixel region R2. In the present embodiment, thesubstrate 10 further includes a third pixel region R3.

The scan line SL includes a main scan line M as well as a first branchscan line B1 and a second branch scan line B2 which are connected to themain scan line M. In the present embodiment, the scan line SL furtherincludes a third branch scan line B3. The first, second, and thirdbranch scan lines B1, B2, and B3 extend along the first direction D1.The first, second, and third branch scan lines B1, B2, and B3 arecollectively connected to the main scan line M and are electricallyconnected to a driving apparatus through the main scan line M.Therefore, a driving signal provided by the driving apparatus istransmitted to first, second, and third branch scan lines B1, B2, and B3through the main scan line M.

The first data line DL1 and the second data line DL2 extend along asecond direction D2. The pixel unit set U provided in the presentembodiment further includes a third data line DL3. The first, second,and third data line DL1, DL2, and DL3 extend along the second directionD2. The second direction D2 is different from the first direction D1 andis preferably perpendicular to the first direction D1.

The first active device T1 is located in the first pixel region R1 andis electrically connected to the first branch scan line B1 and the firstdata line DL1. The first pixel electrode PE1 is located in the firstpixel region R1 and electrically connected to the first active deviceT1. The first active device T1 includes a gate, a source, and a drain(not shown). The gate is electrically connected to the first branch scanline B1, the source is electrically connected to the first data lineDL1, and the drain is electrically connected to the first pixelelectrode PE1. In addition, the first active device T1 may be a top-gatethin film transistor (TFT) or a bottom-gate TFT. The first pixelelectrode PE1 may be a block pixel electrode or may have slit patterns,as shown in FIG. 3. In FIG. 3, the first pixel electrode PE1 has abar-shaped electrode pattern 250 that includes a first bar-shapedelectrode 210, a second bar-shaped electrode 220, and a third bar-shapedelectrode 230. A first included angle θ1 is made between the firstbar-shaped electrode 210 and the second bar-shaped electrode 220, and asecond included angle θ2 is made between the second bar-shaped electrode220 and the third bar-shaped electrode 230. The first included angle θ1and the second included angle θ2 are both less than 180 degrees andgreater than 90 degrees, such as an obtuse angle, and an opening of thefirst included angle θ1 and an opening of the second included angle θ2are in opposite directions. A bent portion is formed between the firstbar-shaped electrode 210 and the second bar-shaped electrode 220 (withthe first included angle θ1), and another bent portion is formed betweenthe second bar-shaped electrode 220 and the third bar-shaped electrode230 (with the second included angle θ2).

The second active device T2 is located in the second pixel region R2 andis electrically connected to the second branch scan line B2 and thesecond data line DL2. The second pixel electrode PE2 is located in thesecond pixel region R2 and electrically connected to the second activedevice T2. The second active device T2 includes a gate, a source, and adrain (not shown). The gate is electrically connected to the secondbranch scan line B2, the source is electrically connected to the seconddata line DL2, and the drain is electrically connected to the secondpixel electrode PE2. In addition, the second active device T2 may be atop-gate TFT or a bottom-gate TFT. The second pixel electrode PE2 may bea block pixel electrode or may have slit patterns, as shown in FIG. 3.In FIG. 3, the patterns of the second pixel electrode PE2 are the sameas the patterns of the first pixel electrode PE1 and therefore will notbe further elaborated hereinafter.

The third active device T3 is located in the third pixel region R3 andis electrically connected to the third branch scan line B3 and the thirddata line DL3. The third pixel electrode PE3 is located in the thirdpixel region R3 and electrically connected to the third active deviceT3. The third active device T3 includes a gate, a source, and a drain(not shown). The gate is electrically connected to the third branch scanline B3, the source is electrically connected to the third data lineDL3, and the drain is electrically connected to the third pixelelectrode PE3. In addition, the third active device T3 may be a top-gateTFT or a bottom-gate TFT. The third pixel electrode PE3 may be a blockpixel electrode or may have slit patterns, as shown in FIG. 3. In FIG.3, the patterns of the third pixel electrode PE3 are the same as thepatterns of the first pixel electrode PE1 and therefore will not befurther elaborated hereinafter.

At least one of the first data line DL1 and the second data line DL2 isoverlapped with both of the first pixel electrode PE1 and the secondpixel electrode PE2. In the present embodiment, at least two of thefirst data line DL1, the second data line DL2, and the third data lineDL3 are overlapped with the first pixel electrode PE1, the second pixelelectrode PE2, and the third pixel electrode PE3. Besides, two of thefirst data line DL1, the second data line DL2, and the third data lineDL3 are overlapped with the bent portions of the bar-shaped electrodepatterns of the first, second, and third pixel electrodes PE1, PE2, andPE3 (and overlapped with the regions where the first included angle θ1and the second included angle θ2 are located).

Two first pixel electrodes PE1 of two adjacent pixel unit sets U aretaken for example. In one of the pixel unit sets U, if the firstincluded angle θ1 is made between the first bar-shaped electrode 210 andthe second bar-shaped electrode 220, and the second included angle θ2 ismade between the second bar-shaped electrode 220 and the thirdbar-shaped electrode 230, in the next pixel unit set along the firstdirection, a third included angle θ3 is made between the firstbar-shaped electrode 210 and the second bar-shaped electrode 220, and afourth included angle θ4 is made between the second bar-shaped electrode220 and the third bar-shaped electrode 230. The first included angle θ1and the second included angle θ2 are each less than 180 degrees andgreater than 90 degrees, such as an obtuse angle, and an opening of thefirst included angle θ1 and an opening of the second included angle θ2are in opposite directions. The third included angle θ3 and the fourthincluded angle θ4 are each less than 180 degrees and greater than 90degrees, such as an obtuse angle, and an opening of the third includedangle θ3 and an opening of the fourth included angle θ4 are in oppositedirections. It should be mentioned that the display effects arefavorable if the bar-shaped electrode patterns of the first, second, andthird pixel electrodes PE1, PE2, and PE3 in one of the pixel unit sets Uand the next pixel unit set (i.e., in two adjacent pixel unit sets U)are mirror-symmetrical, i.e., if the first included angle θ1 and thethird included angle θ3 in the two adjacent pixel unit sets U are inopposite directions, and the second included angle θ2 and the fourthincluded angle θ4 in the two adjacent pixel unit sets U are in oppositedirections; however, the disclosure is not limited thereto. Besides,according to an embodiment of the disclosure, the first, second, third,and fourth included angles θ1, θ2, θ3, and θ4 may be substantiallyidentical, which should however not be construed as a limitation in thedisclosure. In other embodiments, the aforesaid four angles may not becompletely the same.

FIG. 4 is a schematic view illustrating a pixel array according toanother embodiment of the disclosure. FIG. 5 is a schematic top viewillustrating a pixel array according to another embodiment of thedisclosure. The embodiments depicted in FIG. 4 and FIG. 5 are similar tothose depicted in FIG. 2 and FIG. 3; therefore, the same devices inthese embodiments are represented by the same reference numbers and willnot be further explained. The difference between the embodimentsdepicted in FIG. 4 and FIG. 5 and the embodiments depicted in FIG. 2 andFIG. 3 lies in that the first data line DL1 and the third data line DL3are not overlapped with the first pixel electrode PE1, the second pixelelectrode PE2, and the third pixel electrode PE3, and the second dataline DL2 is overlapped with the first pixel electrode PE1, the secondpixel electrode PE2, and the third pixel electrode PE3. Namely, thefirst data line DL1 and the third data line DL3 are arranged on twosides of the first pixel electrode PE1, the second pixel electrode PE2,and the third pixel electrode PE3, and the second data line DL2 passesthrough the first pixel electrode PE1, the second pixel electrode PE2,and the third pixel electrode PE3.

In the embodiment shown in FIG. 5, the first pixel electrode PE1 has abar-shaped electrode pattern 250, and the bar-shaped electrode pattern250 includes a first bar-shaped electrode 210 and a second bar-shapedelectrode 220. A first included angle θ′1 is made between the firstbar-shaped electrode 210 and the second bar-shaped electrode 220. Thefirst included angle θ′1 between the first bar-shaped electrode 210 andthe second bar-shaped electrode 220 constitutes the bent portion. One ofthe first data line DL1, the second data line DL2, and the third dataline DL3 is overlapped with the bent portion (where the first includedangle θ′1 is located). Here, the bar-shaped electrode patterns of thefirst, second, and third pixel electrodes PE1, PE2, and PE3 in one ofthe pixel unit sets U and the next pixel unit set (i.e., the twoadjacent pixel unit sets U adjacent along the first direction) have thesame pattern design. Specifically, in the next pixel unit set, a secondincluded angle θ′2 is made between the first bar-shaped electrode 210and the second bar-shaped electrode 220 of the bar-shaped electrodepattern. If the first included angle θ′1 and the second included angleθ′2 are each less than 180 degrees and greater than 90 degrees, such asan obtuse angle, and an opening of the first included angle θ′1 and anopening of the second included angle θ′2 are in opposite directions, thedisplay effects are favorable, which should however not be construed aslimitations in the disclosure. Besides, according to an embodiment ofthe disclosure, the first and second included angles θ′1 and θ′2 may besubstantially identical, which should however not be construed as alimitation in the disclosure. In other embodiments, the aforesaid twoangles may not be completely the same.

In the display panel provided herein, a specifically designed structureis arranged between the aforesaid structure of the pixel array and thelight shielding pattern layer, such that the issue of unfavorabledisplay quality caused by misalignment can be prevented in the eventthat the display panel serves as a curved display panel. The detaileddescriptions are given as follows.

FIG. 6 is a schematic view illustrating a display panel according to anembodiment of the disclosure. FIG. 7 is a schematic view illustrating alight shielding pattern layer according to an embodiment of thedisclosure. With reference to FIG. 6, the display panel has a centralaxis 110, a central region 140 corresponding to the central axis 110, afirst region 120, and a second region 130, and the first and secondregions 120 and 130 are located at two sides of the central region 140.In FIG. 6, the first and second regions 120 and 130 are depicted,whereas the number of regions at two sides of the central region 140 isnot limited to two in the disclosure. As a matter of fact, the number ofregions at two side of the central region 140 may be four, six, eight,or more according to the dimensions of the panel, the degree to whichthe panel is bent, the process parameters, and so on.

In the display panel shown in FIG. 6, the pixel array PX may be thepixel array shown in the embodiment of FIG. 2 and FIG. 3 or the pixelarray shown in the embodiment of FIG. 4 and FIG. 5. For example, thelight shielding pattern layer corresponding to the pixel array PX ofFIG. 2 and FIG. 3 is as shown in FIG. 7. In FIG. 7, the first, second,and third pixel regions R1, R2, and R3 are arranged corresponding to thelight shielding pattern layer BM, and the arrangement of devices in thefirst, second, and third pixel regions R1, R2, and R3 is the same as thearrangement in the pixel unit sets U depicted in FIG. 3. Note that theextension direction D2 of the central axis 110 of the display panel isparallel to the extension direction of the data lines (e.g., the firstdata line DL1) shown in FIG. 3 and is perpendicular to the extensiondirection D1 of the scan line SL shown in FIG. 3.

Each of the first pixel region R1, the second pixel region R2, and thethird pixel region R3 has a long side L and a short side W, the longside L is parallel to the first direction D1, and the short side W isparallel to the second direction D2. That is, the long sides L of thefirst, second, and third pixel regions R1, R2, and R3 are perpendicularto the extension direction of the central axis 110 of the display panel.The light shielding pattern layer BM defines a plurality of lighttransmissive regions TR, and each of the light transmissive regions TRcorresponds to the first pixel region R1, the second pixel region R2,and the third pixel region R3. The light shielding pattern layer BMaround the light transmissive regions TR corresponds to the scan line SLand the data lines DL1, DL2, and DL3, and the shielding pattern layer BMdistributed in each of the pixel regions (i.e., the first, second, orthird pixel region R1, R2, or R3) is divided into a first lightshielding portion BM1, a second light shielding portion BM2, a thirdlight shielding portion BM3, and a fourth light shielding portion BM4.The first light shielding portion BM1 and the second light shieldingportion BM2 both extend along the second direction D2. The third lightshielding portion BM3 and the fourth light shielding portion BM4 bothextend along the first direction D1. Here, the first and second lightshielding portions BM1 and BM2 are arranged according to the location ofthe central axis of the data lines DL1 and DL4; and the third and fourthlight shielding portions BM3 and BM4 are arranged according to thelocation of the central axis of the scan line SL. In another embodiment(not shown), the light shielding pattern layer BM shown in FIG. 7 maycorrespond to the pixel array PX of FIG. 4 and FIG. 5, in which thefirst and second light shielding portions BM1 and BM2 are arrangedaccording to the location of the central axis of the data lines DL1 andDL3; and the third and fourth light shielding portions BM3 and BM4 arearranged according to the location of the central axis of the scan lineSL.

As depicted in FIG. 8, in the central region 140 of the display panelshown in FIG. 6, a width of the first light shielding portion BM1 of thelight shielding pattern layer BM is CW1, and the width CM1 stands forthe distance from the edge of the light transmissive regions TR to thecorresponding central axis AX of the data lines. A width of the secondlight shielding portion BM2 is CW2, and the width CM2 stands for thedistance from the edge of the light transmissive regions TR to thecorresponding central axis AX of the data line. CW1=CW2.

As depicted in FIG. 9, in the first region 120 of the display panelshown in FIG. 6, a width of the first light shielding portion BM1 of thelight shielding pattern layer BM is LW1, which is apart from the centralaxis 110, and the width LW1 stands for the distance from the edge of thelight transmissive regions TR to the corresponding central axis AX ofthe data lines. A width of the second light shielding portion BM2 isLW2, which is closer to the central axis 110, and the width LW2 standsfor the distance from the edge of the light transmissive regions TR tothe corresponding central axis AX of the data line. LW1≠LW2. Here,LW1>LW2, and (LW1+LW2)/2=CW1=CW2.

As depicted in FIG. 10, in the second region 130 of the display panelshown in FIG. 6, a width of the first light shielding portion BM1 of thelight shielding pattern layer BM is RW1, which is closer to the centralaxis 110, and the width RW1 stands for the distance from the edge of thelight transmissive regions TR to the corresponding central axis AX ofthe data lines. A width of the second light shielding portion BM2 isRW2, which is apart from the central axis 110, and the width RW2 standsfor the distance from the edge of the light transmissive regions TR tothe corresponding central axis AX of the data line. RW1≠RW2. Here,RW1<RW2, and (RW1+RW2)/2=CW1=CW2.

In the light shielding pattern layer BM shown in FIG. 8, FIG. 9, andFIG. 10, the correlation between the width of the first light shieldingportion BM1 of the light shielding pattern layer BM and the width of thesecond light shielding portion BM2 of the light shielding pattern layerBM results from bending the display panel shown in FIG. 6 inwards alongthe central axis 110, that is, the color filter substrate 200 is locatedinside of the curved display panel, so as to form the curved displaypanel shown in FIG. 11. On the contrary, if the display panel shown inFIG. 6 is bent outwards along the central axis 110, that is, the pixelarray substrate 100 is located inside of the curved display panel, thecorrelation between the width of the first light shielding portion BM1of the light shielding pattern layer BM and the width of the secondlight shielding portion BM2 of the light shielding pattern layer BM isexpressed below: LW1<LW2, CW1=CW2, and RW1>RW2.

In the previous embodiment, the curved display panel shown in FIG. 11serves as an example to elaborate the widths of the light shieldinglayer in different regions; as a matter of fact, the correlation betweenthe widths of the light shielding layer in different regions may varyaccording to the direction in which the curved display panel is bent andthe location where the pixel array/the light shielding layer isarranged, as shown in Table 1.

TABLE 1 The curved display panel The pixel array is located on the LW1 >LW2 is bent inwards first substrate; the light shielding CW1 = CW2 (asshown in FIG. 11) layer is located on the second RW1 < RW2 substrate Thecurved display panel The pixel array is located on the LW1 < LW2 is bentoutwards first substrate; the light shielding CW1 = CW2 layer is locatedon the second RW1 > RW2 substrate The curved display panel The pixelarray is located on the LW1 < LW2 is bent inwards second substrate; thelight CW1 = CW2 shielding layer is located on the RW1 > RW2 firstsubstrate The curved display panel The pixel array is located on theLW1 > LW2 is bent outwards second substrate; the light CW1 = CW2shielding layer is located on the RW1 < RW2 first substrate

Additionally, given that the number of regions on the left side of thecentral region 140 is one or more, and so is the number of the regionson the right side of the central region 140, the widths of the lightshielding portions in each region on the left side of the central region140 may be different, and the widths of the light shielding portions ineach region on the right side of the central region 140 may be differentas well. Namely, the width of the light shielding portion in each regionmay be designed according to the misalignment between the pixel arrayand the light shielding pattern layer in different regions of the curveddisplay panel.

To sum up, in each of the pixel unit sets of the pixel array providedherein, the scan line includes the main scan line, the first branch scanline, and the second branch scan line, and the first branch scan lineand the second branch scan line are connected to the main scan line. Atleast one of the first data line and the second data line is overlappedwith both of the first pixel electrode and the second pixel electrode.Thereby, the selection of gate driving chips can be more diverse, inaddition, owing to the arrangement of the pixel array in the curveddisplay panel, the issue of unfavorable display quality resulting fromthe misalignment of the pixel unit sets on the pixel array and thedevices on the other substrate can be resolved to a great extent.Moreover, the specifically designed width of the light shielding patternlayer allows the signal lines (such as data lines) of the pixel arrayand the light shielding pattern layer to be correspondingly overlappedin case of the misalignment of the pixel array and the light shieldingpattern layer in the curved display panel, so as to prevent the displayquality from being deteriorated.

Although the disclosure has been described with reference to the aboveembodiments, it will be apparent to one of ordinary skill in the artthat modifications to the described embodiments may be made withoutdeparting from the spirit of the disclosure. Accordingly, the scope ofthe disclosure will be defined by the attached claims and not by theabove detailed descriptions.

What is claimed is:
 1. A pixel array comprising a plurality of pixelunit sets, each of the pixel unit sets comprising: a substrate having afirst pixel region, a second pixel region, and a third pixel region; ascan line comprising a main scan line, a first branch scan line, asecond branch scan line, and a third branch scan line, wherein the firstbranch scan line, the second branch scan line, and the third branch scanline are connected to the main scan line and extended along a firstdirection; a first data line, a second data line, and a third data lineextending along a second direction; a first active device located in thefirst pixel region and electrically connected to the first branch scanline and the first data line; a first pixel electrode located in thefirst pixel region and electrically connected to the first activedevice; a second active device located in the second pixel region andelectrically connected to the second branch scan line and the seconddata line; a second pixel electrode located in the second pixel regionand electrically connected to the second active device; a third activedevice located in the third pixel region and electrically connected tothe third branch scan line and the third data line; and a third pixelelectrode located in the third pixel region and electrically connectedto the third active device, wherein each of the first pixel electrode,the second pixel electrode, and the third pixel electrode has abar-shaped electrode pattern, the bar-shaped electrode pattern has atleast one bent portion, and only the second data line is overlapped withthe bent portions of the bar-shaped electrode pattern of the first pixelelectrode, the second pixel electrode, and the third pixel electrode. 2.The pixel array of claim 1, wherein in each of the pixel unit sets, thebar-shaped electrode pattern comprises a first bar-shaped electrode anda second bar-shaped electrode, and a first included angle is includedbetween the first bar-shaped electrode and the second bar-shapedelectrode, a second included angle is included between the firstbar-shaped electrode and the second bar-shaped electrode of thebar-shaped electrode pattern in a next pixel unit set along the firstdirection, each of the first included angle and the second includedangle is an obtuse angle, and an opening of the first included angle andan opening of the second included angle are in opposite directions. 3.The pixel array of claim 1, wherein each of the first pixel region, thesecond pixel region, and the third pixel region has a long side and ashort side, the long side is parallel to the first direction, and theshort side is parallel to the second direction.
 4. A display panelhaving a central region, a first region, and a second region, the firstregion and the second region being located at two sides of the centralregion, the display panel comprising: a first substrate; a pixel arraylocated on the first substrate, the pixel array comprising a pluralityof pixel unit sets, wherein each of the pixel unit sets is as recited inclaim 1, a second substrate located opposite to the first substrate; acolor filter layer located on the first substrate or the secondsubstrate, the color filter layer being arranged corresponding to thepixel array; and a light shielding pattern layer located on the secondsubstrate, the light shielding pattern layer being arrangedcorresponding to the color filter layer.
 5. The display panel of claim4, wherein each of the first pixel region, the second pixel region, andthe third pixel region has a long side and a short side, the long sideis parallel to the first direction, and the short side is parallel tothe second direction.
 6. The display panel of claim 5, wherein the lightshielding pattern layer defines a plurality of light transmissiveregions, each of the light transmissive regions corresponds to the firstpixel region, the second pixel region, or the third pixel region in oneof the pixel unit sets, and the light shielding pattern layer aroundeach of the light transmissive regions is divided into: a first lightshielding portion and a second light shielding portion both extendingalong the second direction; and a third light shielding portion and afourth light shielding portion both extending along the first direction.7. The display panel of claim 6, in the first region of the displaypanel, a width of the first light shielding portion of the lightshielding pattern layer being LW1, a width of the second light shieldingportion of the light shielding pattern layer being LW2, LW1≠LW2; in thecentral region of the display panel, a width of the first lightshielding portion of the light shielding pattern layer being CW1, awidth of the second light shielding portion of the light shieldingpattern layer being CW2, CW1=CW2; and in the second region of thedisplay panel, a width of the first light shielding portion of the lightshielding pattern layer being RW1, a width of the second light shieldingportion of the light shielding pattern layer being RW2, RW1≠RW2.
 8. Thedisplay panel of claim 7, wherein LW1>LW2, CW1=CW2, and RW1<RW2; orLW1<LW2, CW1=CW2, and RW1>RW2.
 9. The display panel of claim 8, wherein(LW1+LW2)/2=(RW1+RW2)/2=CW1=CW2.
 10. A pixel array comprising aplurality of pixel unit sets, each of the pixel unit sets comprising: asubstrate having a first pixel region, a second pixel region, and athird pixel region; a scan line comprising a main scan line, a firstbranch scan line, a second branch scan line, and a third branch scanline, wherein the first branch scan line, the second branch scan line,and the third branch scan line are connected to the main scan line andextended along a first direction; a first data line, a second data line,and a third data line extending along a second direction; a first activedevice located in the first pixel region and electrically connected tothe first branch scan line and the first data line; a first pixelelectrode located in the first pixel region and electrically connectedto the first active device; a second active device located in the secondpixel region and electrically connected to the second branch scan lineand the second data line; a second pixel electrode located in the secondpixel region and electrically connected to the second active device; athird active device located in the third pixel region and electricallyconnected to the third branch scan line and the third data line; and athird pixel electrode located in the third pixel region and electricallyconnected to the third active device, wherein the second data line isoverlapped with the first pixel electrode, the second pixel electrode,and the third pixel electrode, and the first data line and the thirddata line are not overlapped with the first pixel electrode, the secondpixel electrode, and the third pixel electrode, wherein each of thefirst pixel electrode, the second pixel electrode, and the third pixelelectrode has a bar-shaped electrode pattern, the bar-shaped electrodepattern has at least one bent portion, wherein the third data line ineach of the pixel unit sets and the first data line in a next pixel unitset along the first direction are located between the first pixelelectrode, the second pixel electrode and the third pixel electrode inthe each of the pixel unit sets and the first pixel electrode, thesecond pixel electrode and the third pixel electrode in the next pixelunit set along the first direction and are not overlapped with eachother.
 11. The pixel array of claim 10, wherein the second data line isoverlapped with the at least one bent portion.
 12. The pixel array ofclaim 11, wherein in the each of the pixel unit sets, the bar-shapedelectrode pattern comprises a first bar-shaped electrode and a secondbar-shaped electrode, and a first included angle is included between thefirst bar-shaped electrode and the second bar-shaped electrode, a secondincluded angle is included between the first bar-shaped electrode andthe second bar-shaped electrode of the bar-shaped electrode pattern inthe next pixel unit set along the first direction, each of the firstincluded angle and the second included angle is an obtuse angle, and anopening of the first included angle and an opening of the secondincluded angle are in opposite directions.
 13. The pixel array of claim10, wherein each of the first pixel region, the second pixel region, andthe third pixel region has a long side and a short side, the long sideis parallel to the first direction, and the short side is parallel tothe second direction.
 14. A pixel array comprising a plurality of pixelunit sets, each of the pixel unit sets comprising: a substrate having afirst pixel region, a second pixel region, and a third pixel region; ascan line comprising a main scan line, a first branch scan line, asecond branch scan line, and a third branch scan line, wherein the firstbranch scan line, the second branch scan line, and the third branch scanline are connected to the main scan line and extended along a firstdirection; a first data line, a second data line, and a third data lineextending along a second direction; a first active device located in thefirst pixel region and electrically connected to the first branch scanline and the first data line; a first pixel electrode located in thefirst pixel region and electrically connected to the first activedevice; a second active device located in the second pixel region andelectrically connected to the second branch scan line and the seconddata line; a second pixel electrode located in the second pixel regionand electrically connected to the second active device; a third activedevice located in the third pixel region and electrically connected tothe third branch scan line and the third data line; and a third pixelelectrode located in the third pixel region and electrically connectedto the third active device, wherein only the second data line isoverlapped with the first pixel electrode, the second pixel electrode,and the third pixel electrode, wherein the third data line in each ofthe pixel unit sets and the first data line in a next pixel unit setalong the first direction are located between the first pixel electrode,the second pixel electrode and the third pixel electrode in the each ofthe pixel unit sets and the first pixel electrode, the second pixelelectrode and the third pixel electrode in the next pixel unit set alongthe first direction and are not overlapped with each other.
 15. Thepixel array of claim 14, wherein each of the first pixel electrode, thesecond pixel electrode, the third pixel electrode has a bar-shapedelectrode pattern, the bar-shaped electrode pattern has at least onebent portion, and only the second data line is overlapped with the atleast one bent portion.
 16. The pixel array of claim 15, wherein in theeach of the pixel unit sets, the bar-shaped electrode pattern comprisesa first bar-shaped electrode and a second bar-shaped electrode, and afirst included angle is included between the first bar-shaped electrodeand the second bar-shaped electrode, a second included angle is includedbetween the first bar-shaped electrode and the second bar-shapedelectrode of the bar-shaped electrode pattern in the next pixel unit setalong the first direction, each of the first included angle and thesecond included angle is an obtuse angle, and an opening of the firstincluded angle and an opening of the second included angle are inopposite directions.
 17. The pixel array of claim 14, wherein each ofthe first pixel region, the second pixel region, and the third pixelregion has a long side and a short side, the long side is parallel tothe first direction, and the short side is parallel to the seconddirection.